The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 2024
Filed:
Apr. 30, 2020
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01); C03C 25/1065 (2018.01); C03C 25/24 (2018.01); C03C 25/47 (2018.01); C08F 2/48 (2006.01);
U.S. Cl.
CPC ...
G02B 6/02395 (2013.01); C03C 25/1065 (2013.01); C03C 25/24 (2013.01); C03C 25/47 (2018.01); C08F 2/48 (2013.01);
Abstract
An optical fiber comprises a glass fiber comprising a core and a cladding, and a coating resin layer covering the outer periphery of the glass fiber, wherein the average linear expansion coefficient of the coating resin layer at −50° C. or more and 0° C. or less is 3.3×10/° C. or more and less than 9.0×10/° C.